BMI fails to reflect the developmental changes in body fatness between boys and girls during adolescence
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AuthorsNevill, Alan M.
Reuter, Cézane Priscila
Gaya, Anelise Reis
Renner, Jane Dagmar Pollo
Duncan, Michael J
MetadataShow full item record
AbstractBody mass index (BMI) is thought to reflect excess adiposity in both youth and adults alike. However, the association between BMI and fatness varies, especially as children grow into adults. Thus, the present study sought to address this issue by characterizing how BMI reflects age and sex differences in body fatness in 7–16-year-old children. Methods: This cross-sectional study was conducted with 2150 children and adolescents, aged 7 to 16 years from the city of Santa Cruz do Sul, Brazil. BMI (kg/m2), and percentage body fat, using tricipital and subscapular folds, were assessed. For statistical analysis, ANOVA and ANCOVA were used. Results: When considered in isolation, there was no significant interaction in the age-by-sex differences in BMI (p = 0.69). However, when we controlled for percent body fatness, the analysis revealed considerable age-by-sex differences in BMI (p < 0.001). Conclusion: For the same body fat (%), there are no differences in BMI in children < 10 years.
CitationNevill, A. M., Reuter, C. P., Brand C., Gaya A. R., et al. (2021) BMI Fails to Reflect the cevelopmental changes in body fatness between boys and girls during adolescence. International Journal of Environmental Research and Public Health, 18 (15): Article Number 7833. https://doi.org/10.3390/ijerph18157833
JournalInternational Journal of Environmental Research and Public Health
PubMed ID34360126 (pubmed)
Description© 2021 The Authors. Published by MDPI. This is an open access article available under a Creative Commons licence. The published version can be accessed at the following link on the publisher’s website: https://doi.org/10.3390/ijerph18157833
SponsorsThis research received no external funding from the Higher Education Personnel Improvement Coordination—Brazil (CAPES), National Council for Scientific and Technological Development (CNPq) and Research Support Foundation of the State of Rio Grande do Sul.
Except where otherwise noted, this item's license is described as Licence for published version: Creative Commons Attribution 4.0 International
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